제출 #869259

#제출 시각아이디문제언어결과실행 시간메모리
869259velislavgarkov커다란 상품 (IOI17_prize)C++14
0 / 100
46 ms344 KiB
#include "prize.h" #include <iostream> using namespace std; vector <int> a; int find_next(int l1, int r1) { int l, r, mid; l=l1; r=r1; while (l<r) { mid=(l+r)/2; a=ask(mid); if (a[0]>0) mid=r; else l=mid+1; } a=ask(l-1); if (a[0]+a[1]==0) return l-1; return find_next(l,r1); } int find_best(int n) { int ans=find_next(0,n-1); return ans; }
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